Home / 19,750.87-27,256.21-10,798.45

Finding the Fourth Proportional to 19,750.87, 27,256.21 and 10,798.45

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Solution

The fourth proportional to 19,750.87, 27,256.21 and 10,798.45 is: 14,901.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,750.87 : 27,256.21 = 10,798.45 : x
  2. Step 2: Convert to fraction form
    19,750.87/27,256.21 = 10,798.45/x
  3. Step 3: Cross multiply
    19,750.87x = 27,256.21 × 10,798.45
  4. Step 4: Simplify right side
    19,750.87x = 294,324,683.43
  5. Step 5: Solve for x
    x = 294,324,683.43/19,750.87
  6. Step 6: Final answer
    x = 14,901.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.